Search a number
-
+
42020213224 = 2311477502423
BaseRepresentation
bin100111001000100110…
…011001000111101000
311000110110110000001111
4213020212121013220
51142024133310344
631145343000104
73015204630163
oct471046310750
9130413400044
1042020213224
1116903351150
128188599034
133c687860c2
142068a08ada
15115e03d834
hex9c89991e8

42020213224 has 16 divisors (see below), whose sum is σ = 85950436320. Its totient is φ = 19100096880.

The previous prime is 42020213167. The next prime is 42020213227. The reversal of 42020213224 is 42231202024.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42020213195 and 42020213204.

It is not an unprimeable number, because it can be changed into a prime (42020213227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238751124 + ... + 238751299.

It is an arithmetic number, because the mean of its divisors is an integer number (5371902270).

Almost surely, 242020213224 is an apocalyptic number.

42020213224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42020213224 is an abundant number, since it is smaller than the sum of its proper divisors (43930223096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42020213224 is a wasteful number, since it uses less digits than its factorization.

42020213224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477502440 (or 477502436 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42020213224 its reverse (42231202024), we get a palindrome (84251415248).

The spelling of 42020213224 in words is "forty-two billion, twenty million, two hundred thirteen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 477502423 955004846 1910009692 3820019384 5252526653 10505053306 21010106612 42020213224